INDEX OF SUBJECTS AND OF NAMES.
Abortion: v. Rudimentary Organs. Aconitum napellus, imported: vari- ation in, 534.
Acraeida protective elasticity of, 166-7.
Agrionida: protective coloura- tion of, 173.
ALLEN, GRANT: on colouration of arctic fauna, 189-90; on survival of fittest amongst wasps, 272-3. ALLEN, J. A.: on variations in
birds, 488. Allium its storage of water, 413. ALTUM, DR. B.: on sudden great increases and subsequent pos- sible great destruction of mice, 53. Amblystoma: v. Axolotl. AMERICAN
NATURALIST (quoted by Darwin): on spike- horned buck, 361. Amaba instinct in, 237; propa- gation by fission, 577; Herbert Spencer on, 567, 570. Amphimixis: 370-1.
Ancon Dogs, Jaguar, Ram : ข. Dogs, Jaguar, Ram.
Animals made for use of man": 124-30.
Antelopes: Survival of Fittest
among, 63; utility of specific variations in, 418-v. also Deer. Ant-lion, larva of: instinct in, 234. Ants instinct and character in, 258; queens and workers pro- duced from same or different kind of eggs, 268. Aphides: potential rate of increase,
46; protective secretion of, 166. ARGYLL, DUKE OF: on protective colouration of birds, 185; on in- stinct in water-ouzel, 221-3; on special creation, 521. ARNOLD, MATTHEW: Empedocles on Etna quoted, 4, 8.
Arrested Development: 543-9. Artemia: variation in, 536-7. Artificial Selection: analogy of Natural Selection to, 130-56.
"Methodical" and "Un- conscious" (Darwin), 136-7. Asses, Imported: rapid multiplica- tion of, 52.
Athleticism, Hereditary: 434-5. AVELING, DR. EDWARD: on sen- sitive faculties of sun-dew, 286-7; on the hypothesis of Natural Selection, 454.
Axolotl transmutation of, into Amblystoma, 546-7.
Baboons co-operation amongst, 93.
BAILEY, PROF.: on the influence of external conditions on squashes,
BAKER, SIR S. W.: on struggle for existence, 22-3; on indiscriminate destruction of life in nature, 62; on parental devotion of cow, 82; on co-operation amongst birds of prey, 92.
Balancement, Law of: 335-6. BALFOUR, F.M.: on the Darwinian theory, 462-3; on limbs of higher vertebrata, 503; on sensitiveness of cells, 573-4, 575.
BALL, J. on geographical distri- bution, 531.
BALL, W. P.: on the effects of use and disuse, 432; on law of economy, 512. Baptanodon discus: an illustration of conformity to type, 502, 503, 506.
BARBER, MRS.: on influence of environment on colouration of caterpillar, 408.
BASTIAN, DR. H. C.: on animal instincts, 286.
BATES, H. W.: on animal coloura- tion, 160; on mimicry in rela- tion to Natural Selection, 178, 194-5; on protective habits of shrimps and prawns, 184-5; on unprotectiveness of nauseous taste amongst insects, 218. BATESON, WILLIAM: on protec- tive method of concealment amongst crabs, 171-2; on mimi- cry amongst flies, 202. Bears, Polar: colouration of, 189-93. BECKER, A.: on sudden disap- pearance of sousliks, 53.
BEDDARD, F. E.: on scientific ob- servation, 182; on colouration of snow-bunting, 188, of arctic foxes, 191, of bears, 191-2; on acci- dental colouration with a varied environment, 205; on coloura- tion of puff-adder, 205-6; on correlation between conspicuous colouration and nauseous taste amongst insects, 207-8; on warn- ing colouration, 208; on nauseous skin of caterpillar not protective, 214; on caterpillars being pinched before eaten by birds, 215; on non-universality of nauseous taste in heliconius beskii, 219; on skin- pigments the cause of nauseous taste, 220; on influence of exter- nal conditions on saturnia, 396; on cause of colouration in ani- mals, 404-5; on non-useful vari- ation in insects, 411. Beech extermination of, by birch, 110, 105.
Bees great increase in imported,
in New Zealand, 51; intelligence in, 242-3.
Beetles co-operation amongst, 87; unprotectiveness of nauseous taste amongst, 218. BELT, THOMAS: on variation, 4; on bird-life in tropics, 22; on indiscriminative slaughter of wari by jaguars, 62; on protective secretion of some insects, 166; on protective colouration and sagacity of locust, 173-4; on protective mimicry of move- ments by insects, 175; on mim- etic colouration of spiders, 176;
BELT, THOMAS-(continued).
on mimicry, 195; on co-operation amongst birds, 200; on corre- lation between conspicuous col- ouration and nauseous taste, 207; on physiological barriers to breeding amongst variants, 384. BENNETT, A. W.: on mimicry in relation to Natural Selection, 177-8; on probability of survival of a favourable variant, 201. Berberis, Spines of: 416. Bifurcation of Species: 324-6. "Bird-droppings": 174-5. Birds dangers to life of eggs and young, 61; sociability amongst, 88-9; as destroyers of insects, 164-5; protective colouration of, 173, 185; co-operation amongst, 200; loss of nest-building in- stinct in, 262; faculties of very young birds, 267; hybridisation of, 353-4; variations in, 487-8; evolution of, from reptile, 504. Bisache habits of, 253-5. Bison co-operation amongst, 94. BLANCHARD, ÉMILE: on hybrisa-
tion of hares and rabbits, 355-6. Blind Animals: evolution of, 377-9, 445-6.
BOISDUVAL, J. A.: on resemblance
amongst butterflies, 161. BONNET: on instinct, 225-6. BREE, DR. C. R.: on special crea- tion, 471. Breeding to, 382-4. BRONN, H. G.: on distinct species never different from each other in single characters but in many parts, 342.
Physiological barriers
BROWNING, ROBT.: Pippa Passes quoted, 422.
BRYANT, CAPT. (quoted by Darwin): on sexual selection in seals, 39-40. BRYDEN, H. A.: on the eland as illustration of Law of Parsimony, 481.
BÜCHNER, PROF. LUDWIG on in- stinct in butterflies, etc., 264; in birds, 265. Buck, Spike-horned: an instance of abrupt structural modification, 359-60, 361-v. also Deer.
BUCKLAND, FRANK: on influence of external conditions on oysters, 395.
BUFFON, G. L. L., COMTE DE: on
origin of species, 472. Butterflies protective colouration of, 173, 176-7; mimetic structure and colouration of, 195; false mimicry amongst, 196-7; in- effectiveness of protective nau- seous taste amongst, 218-9; instinct in, 263-4-v. also Heli- conidæ, Insects, Moths.
Cabbage: protective col- ouration of, 174, 193-4; influence of environment on colouration of caterpillar of, 407-8.
Peacock influence of external conditions on, 396.
Cabbage compensation of growth in, 336.
CALDERWOOD, PROF. HENRY: on instinct in lower animals, 235. CANDOLLE, ALFRED DE (quoted by Wallace) on usual abortiveness of attempts to naturalize plants, III; on geographical distribu- tion of plants, 530; (quoted by Darwin) on winged seeds never found in fruits which do not open, 342.
Capra negaceros: inherited effects of habit in, 440. CARLETON, WILL: Farm Ballads quoted, 36.
Carp and Gold-fish: compared, 296. CARPENTER, DR. W. B.: on in-
stinct in caterpillars, 232, in dogs, 243; on amoba, 237-8. CARRINGTON, J. F.: on protective colouration of cabbage butterfly, 174.
Carrot influence of external con- ditions on, 398.
CARUS, DR. (quoted by Kirby) : on sensitive life existent without nerves, 238.
CATCHPOLE, MR.: on hybridisa- tion, 386.
Caterpillars protective method of concealment of, 172; protective colouration, etc., 176, 185-6; pro- tective nauseous taste of, 212-3;
Caterpillars-(continued).
hairy covering not always pro- tective, 214; pinched by birds before being eaten, 215; instinct in, 232; use of chlorophyll by, 403-4, of tannin, 404-5; influence of environment on colour of, 408; conspicuous colouration of, not due to Natural Selection, 522-3
ข. also Cabbage-butterfly, Tiger moth.
Cats: absence of instinct in, 231; instinct in, 231; instinct and character in, 259.
of Mombas influence of environment on, 423. Cattle Black Cattle (Columbus') in America, 51-2; independence of character checked by struggle for existence, 70; Mr. Romanes' pictures of, as the outcome of Artificial Selection, 151-2.
Niata variations in,
427-30. Cattle-breeding: objects to be aimed at, 142.
Cells: sensitiveness of, 573-6; fission of, 576-7; conjugation, 578, 579- 80. Centipede instinct in, 236; too low to possess instinct, 235. Chameleon experiment of, on bee in absence of ordinary food, 214. CHAMBERS, DR. ROBT.: on unity of organic nature, 456, 457, 587; on argument for organic evolution from rudimentary structures, 458; from geographical distribution, 458-9,459-60; from geology, 459; from embryology, 460; from men- tal constitution, 460-1; on special creation, 461-2; on sentimental objections to doctrine of descent of man, 462; on variation in gold- fish, 487; on arrested develop- ment of tadpoles, 543. CHAMBERS ENCYCLOPÆ- DIA: on indiscriminate voracity of pike, 62; on capture of prey by lions, 63; on instinct in larva of ant-lion, 234; on incubating instinct in pythons, 265; on hybridisation of hares and rab- bits, 355.
Competition: v. Struggle for Exist-
Conformity to Type: 500-10. Conjugation: 578, 579-80. CONN, H. W.: on rudimentary organs, 498. Co-operation
among wild-cattle, 84-5; pelicans, 85,95; cranes, 86; crabs, 86-7,87; beetles, 87; eagles, 90-1; vultures, 91; baboons, 93; hawks, 93-4; bisons, 94; wild swine, 94; mares, 94-5; rats, 95 ; snails, 95; weasels, 95; mammals, 99-102; plants, 114-7; birds, 200; in animal world, 123; defeats "elimination of the worst," 93- v. also Parental Devotion; Soci- ability; Animal; Struggle for Existence.
COPE, E. D.: on Survival of Fittest,
14; on mimetic colouration, 26; on extinction of species, 316; on non-identity of organic evolu- tion and Natural Selection, 453.
CORNHILL MAGAZINE: on co-operation in a Malagasy forest, 114-5, 116; on competition in same, 116-7; on birds as des- troyers of insects, 164-5. COSTA (quoted by Darwin): on influence of external conditions of oyster, 395.
COTTON (of Christ Church, Oxon.): his bees, in New Zealand, 51. COURNOT: his definition of chance, 29.
Cow parental devotion of, 82. Cox, RAMSAY: on influence of external conditions on peacock- butterfly, 396.
Crabs co-operation amongst, 86-7, 87; protective method of con- cealment of, 171-2.
Cranes co-operation amongst, 86. CROLL, DR. J.: his definition of Natural Selection, 44. Crossing: v. Hybridisation. Crows hybridisation of, 353-4. CUNNINGHAM, J. T.: on insect workers and soldiers produced from same kind of egg, 269. CUVIER on his discovery of ex- tinct types, 314.
Danaida: protective elasticity of, 166-7; acquisition of protective nauseous secretions by, 217. DARWIN, CHARLES: on variation, 4-5, 6, 10, 19, 146; on law of cor- related variation, 334, 338-40, 341, 343-7; of instincts, 279-80, 284; of Niata ox, 427; of imported plants, 534; on unuseful varia- tions, 306, 410, 411; on useful variations, 421, 422; on causes of variability, 365-6; on natural "Preservation," 15; on Struggle for Existence, 17-9, 43, 76, 96, 97; on Survival of Fittest, 23, 145; amongst gulls, 443; amongst owls, 443; amongst scarlet-run- ners, 33-4, 139-40; on chance, 27-9, 60; on evolution of human eye, 33; on Sexual Selection, 36, 37-8, 38-9; on romantic love in animals, 38-9; on rate of increase of man and elephants, 46; on destruction of life as a check to natural rate of increase, 47, 57; his relation to Malthus, 50; on increase in imported plants, 52; on rarity of species, 57; on ac- cidental destruction of life, 62; on indiscriminate destruction of life in seedlings, 66; on the element of time in variation, 72-3; on animal sociability, 88; on co-operation amongst ba- boons, 93; amongst hawks, 93; on Natural Selection, 104-5, 138, 146, 158; principle of Natural Selection, 466, 485-6; difficulties connected with Natural Selec- tion, 467, 468; slow action of Natural Selection, 399; on an- alogy between Natural and Artificial Selection, 131; on "Methodical" and on "Uncon- scious Selection, 136-8; Artificial Selection, 139, 153; in relation to sheep-breeding, 139; on power of Forelle-pear to resist cold, 145; on protective colouration among dragon-flies, 173; on influence of environ- ment, 167, 395-6, 400-1, 431; on cats, dogs and sheep, 423; on feral pigs, 429; on proteus,
DARWIN, CHARLES (continued). 543; on influence of climate on organic structure, 397-8; on in- fluence of environment not pro- ducing useful results, 412; on change of environment in rela- tion to sexual reproduction, 533; on inutility of some organic colouration, 204-5; on skin-pig- ments the cause of nauseous taste, 220; on instinct, 221, 228, 278-9, 279; on barking instinct in dogs, 256; on instincts in ants, 269-70; on neuter insects, 267-8; on sterile insects, 271; on vege- table sensitiveness, 286; com- parison of gold-fish and carp, 296; Transmutation of Species: nature of conditions subordinate to nature of organism, 310; in a confined area due to Natural Selection alone, 430; influence of changed conditions on, not al- ways rapid, 425-6, 430; on form and habits of water-ouzel, 312; on extinction of species, 316; of horse, 318; on the petrel, 323-4; on co-existence of two variants in same district, 326; on law of compensation of growth 335-6; on law of homology, 337 ; on evolution of elk from stag, 343, 345-6; on hybridisation, 350-2; on recent evolution of ancon and merino ram, 358-9; of breeds of dogs, 359; on An- con, Jaguar and Pariah-dog, 359; on abrupt structural modifica- tions, 359-64; on antlers and spike-horns, 362-3; on human physical heredity, 364; on iso- lation in breeding, 380-1; on physiological barriers to breed- ing amongst variants, 382; on shape of skull in pig, 427-8; on inherited effects of use and dis- use, 438, 439-40, 441, 442; on disuse as agent in formation of rudimentary organs, 511; his acceptance of Lamarckian prin- ciples, 472; on ‘nihil per saltum,' 487; on rudimentary organs, 494, 496,497-8; on conformity of type, 500; on degeneration a result of
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